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annotate sbin/ftjail @ 292:d40e6e40c315

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author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 18 Sep 2022 14:10:40 +0200
parents a6c9eb25ae81
children 73ac6bec36fe
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1 #!/bin/sh
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2 # -*- indent-tabs-mode: nil; -*-
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3 #:
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4 #: A very minimal BSD Thin Jail management tool.
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5 #:
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6 #: :Author: Franz Glasner
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7 #: :Copyright: (c) 2022 Franz Glasner.
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8 #: All rights reserved.
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9 #: :License: BSD 3-Clause "New" or "Revised" License.
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10 #: See LICENSE for details.
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11 #: If you cannot find LICENSE see
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12 #: <https://opensource.org/licenses/BSD-3-Clause>
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13 #: :ID: @(#)@@PKGORIGIN@@ $HGid$
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14 #:
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15
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16 set -eu
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18 VERSION="@@VERSION@@"
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19
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20 USAGE='
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21 USAGE: ftjail [ OPTIONS ] COMMAND [ COMMAND OPTIONS ] [ ARG ... ]
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23 OPTIONS:
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24
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25 -V Print the program name and version number to stdout and exit
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27 -h Print this help message to stdout and exit
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28
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29 COMMANDS:
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30
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31 datasets-tmpl [OPTIONS] PARENT-BASE PARENT-SKELETON NAME
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32
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33 Create the ZFS template datasets, i.e. the ro base and the rw
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34 skeleton to be used within thin jails jails
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36 PARENT-BASE and PARENT-SKELETON must exist already and NAME must
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37 not exist.
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39 The datasets will not be mounted.
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41 -L Create dataset properties optimized for employing a
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42 "skeleton" subdirectory
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43 -P Create dataset properties optimized for direct mounts
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44 of skeleton children over an already mounted base
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45
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46 mount-tmpl [ OPTIONS ] BASE-RO SKELETON-RW MOUNTPOINT
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47
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48 Canonically mount the RO base and the RW skeleton into MOUNTPOINT and
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49 MOUNTPOINT/skeleton
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51 -L Mount the skeleton into a "skeleton" subdirectory
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52 -P Mount the skeleton directly over the base
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53 -n Do not really mount but show what would be mounted where
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54 -u Alias of -n
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56 umount-tmpl BASE-RO SKELETON-RW
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58 Unmount mounted datasets BASE-RO and SKELETON-RW
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60 interlink-tmpl MOUNTPOINT
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62 Create symbolic links between the RO base and the RW skeleton.
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63 Base and skeleton must be canonically mounted already.
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65 populate [ OPTIONS ] MOUNTPOINT BASETXZ
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67 Populate the directory in MOUNTPOINT with the base system in BASETXZ
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69 -L Populate having a "skeleton" subdirectory within the mountpoint
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70 -P Populate directly into the mountpoint
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72 snapshot-tmpl BASE-RO SKELETON-RW SNAPSHOT-NAME
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74 copy-skel [ OPTIONS ] SOURCE-DS SNAPSHOT-NAME TARGET-DS
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75
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76 -A Set "canmount=noauto" for all datasets in the target dataset
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77 -L Copy dataset properties optimized for employing a
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78 "skeleton" subdirectory
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79 -M MOUNTPOINT Set the "mountpoint" property for the TARGET-DS to
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80 MOUNTPOINT (children will inherit it)
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81 -P Copy dataset properties optimized for direct mounts
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82 of skeleton children over an already mounted base
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83 -u Do not mount the target dataset automatically
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84
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85 ENVIRONMENT:
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86
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87 All environment variables that affect "zfs" are effective also.
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88
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89 DESCRIPTION:
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90
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91 All commands with the exception of "populate" require ZFS as
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92 filesystem.
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93 '
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94
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95 # Reset to standard umask
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96 umask 0022
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99 #:
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100 #: Ensure that no command line options are given
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101 #:
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102 #: Args:
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103 #: $@:
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104 #:
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105 #: Exit:
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106 #: 2: If formally `getopts` finds options in "$@"
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107 #:
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108 #: Return:
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109 #: - 0
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110 #:
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111 _ensure_no_options() {
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112 local _opt
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113
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114 while getopts ":" _opt ; do
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115 [ "${_opt}" = '?' ] && { echo "ERROR: no option allowed" 1>&2; exit 2; }
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116 done
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117 return 0
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118 }
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121 _get_dataset_for_mountpoint() {
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122 : 'Use `mount -t zfs -p` to determine the ZFS dataset for a given mountpoint.
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124 '
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125 local _mountpoint
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126
233
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127 local _ds _mount _rest
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128
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129 _mountpoint="$1"
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130
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131 mount -t zfs -p \
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132 | {
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133 while IFS=' '$'\t' read -r _ds _mount _rest ; do
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134 if [ "$_mount" = "$_mountpoint" ]; then
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135 echo "${_ds}"
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136 return 0
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137 fi
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138 done
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139 return 1
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140 }
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141 }
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142
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143
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144 #
236
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145 # PARENT-BASE NAME DRY-RUN
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146 #
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147 command_datasets_tmpl_base() {
246
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148 local _p_base _name
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149
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150 local _opt_dry_run
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151
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152 local _ds_base _opt
236
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153
246
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154 _opt_dry_run=""
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155 while getopts "nu" _opt ; do
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156 case ${_opt} in
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157 n|u)
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158 _opt_dry_run="yes"
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159 ;;
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160 \?|:)
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161 return 2;
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162 ;;
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163 esac
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164 done
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165 shift $((OPTIND-1))
248
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166 OPTIND=1
245
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167
236
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168 _p_base="${1-}"
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169 _name="${2-}"
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170
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171 if [ -z "${_p_base}" ]; then
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172 echo "ERROR: no parent dataset for base given" >&2
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173 return 2
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174 fi
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175 if [ -z "${_name}" ]; then
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176 echo "ERROR: no name given" >&2
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177 return 2
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178 fi
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179
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diff changeset
180 if ! zfs list -H -o mountpoint -t filesystem "${_p_base}" >/dev/null 2>/dev/null; then
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181 echo "ERROR: parent dataset \`${_p_base}' does not exist" >&2
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182 return 1
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183 fi
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diff changeset
184 _ds_base="${_p_base}/${_name}"
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diff changeset
185 if zfs list -H -o mountpoint -t filesystem "${_ds_base}" >/dev/null 2>/dev/null; then
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diff changeset
186 echo "ERROR: dataset \`${_ds_base}' does already exist" >&2
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187 return 1
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188 fi
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189
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190
246
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diff changeset
191 [ "${_opt_dry_run}" = "yes" ] && return 0
236
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diff changeset
192
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diff changeset
193 echo "Creating RO base datasets in:"
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diff changeset
194 printf "\\t%s\\n" "${_ds_base}"
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diff changeset
195
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diff changeset
196 zfs create -u -o canmount=noauto "${_ds_base}"
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diff changeset
197
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diff changeset
198 }
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diff changeset
199
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diff changeset
200
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diff changeset
201 #
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202 # SKELETON NAME DRY-RUN
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diff changeset
203 #
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diff changeset
204 command_datasets_tmpl_skel() {
246
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diff changeset
205 local _p_base _name
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diff changeset
206
253
590007b0e902 Implement "-L" and "-P" for "datasets-tmpl" to allow for different ZFS props
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parents: 252
diff changeset
207 local _opt_dry_run _opt_symlink
246
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208
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diff changeset
209 local _ds_skel _child _child_zfsopts _opt
236
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diff changeset
210
246
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diff changeset
211 _opt_dry_run=""
253
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parents: 252
diff changeset
212 _opt_symlink=""
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parents: 252
diff changeset
213
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parents: 252
diff changeset
214 while getopts "LPnu" _opt ; do
246
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diff changeset
215 case ${_opt} in
253
590007b0e902 Implement "-L" and "-P" for "datasets-tmpl" to allow for different ZFS props
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parents: 252
diff changeset
216 L)
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parents: 252
diff changeset
217 _opt_symlink="yes"
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parents: 252
diff changeset
218 ;;
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parents: 252
diff changeset
219 P)
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diff changeset
220 _opt_symlink="no"
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diff changeset
221 ;;
246
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diff changeset
222 n|u)
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diff changeset
223 _opt_dry_run="yes"
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diff changeset
224 ;;
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diff changeset
225 \?|:)
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diff changeset
226 return 2;
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diff changeset
227 ;;
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diff changeset
228 esac
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diff changeset
229 done
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parents: 245
diff changeset
230 shift $((OPTIND-1))
248
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
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parents: 247
diff changeset
231 OPTIND=1
245
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parents: 244
diff changeset
232
253
590007b0e902 Implement "-L" and "-P" for "datasets-tmpl" to allow for different ZFS props
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parents: 252
diff changeset
233 [ -z "${_opt_symlink}" ] && { echo "ERROR: -L or -P must be given" 1>&2; return 2; }
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parents: 252
diff changeset
234
236
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parents: 235
diff changeset
235 _p_skel="${1-}"
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parents: 235
diff changeset
236 _name="${2-}"
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parents: 235
diff changeset
237
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parents: 235
diff changeset
238 if [ -z "${_p_skel}" ]; then
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parents: 235
diff changeset
239 echo "ERROR: no parent dataset for skeleton given" >&2
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parents: 235
diff changeset
240 return 2
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parents: 235
diff changeset
241 fi
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parents: 235
diff changeset
242 if [ -z "${_name}" ]; then
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parents: 235
diff changeset
243 echo "ERROR: no name given" >&2
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diff changeset
244 return 2
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parents: 235
diff changeset
245 fi
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parents: 235
diff changeset
246
238
9b0d83703a28 FIX: Bogus keyword shortcut error: wrong copy-paste text in script
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parents: 237
diff changeset
247 if ! zfs list -H -o mountpoint -t filesystem "${_p_skel}" >/dev/null 2>/dev/null; then
236
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parents: 235
diff changeset
248 echo "ERROR: parent dataset \`${_p_skel}' does not exist" >&2
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parents: 235
diff changeset
249 return 1
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parents: 235
diff changeset
250 fi
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parents: 235
diff changeset
251 _ds_skel="${_p_skel}/${_name}"
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parents: 235
diff changeset
252 if zfs list -H -o mountpoint -t filesystem "${_ds_skel}" >/dev/null 2>/dev/null; then
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parents: 235
diff changeset
253 echo "ERROR: dataset \`${_ds_skel}' does already exist" >&2
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parents: 235
diff changeset
254 return 1
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255 fi
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256
246
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257 [ "${_opt_dry_run}" = "yes" ] && return 0
236
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258
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259 echo "Creating RW skeleton datasets in:"
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260 printf "\\t%s\\n" "${_ds_skel}"
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261
253
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262 if [ "${_opt_symlink}" = "yes" ]; then
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263 # In this case the skeleton root needs to be mounted into a "skeleton" subdir
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264 zfs create -u -o canmount=noauto "${_ds_skel}"
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265 else
256
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266 # Only children are to be mounted
253
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267 zfs create -u -o canmount=off "${_ds_skel}"
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268 fi
256
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269 # "usr" is only a container holding "usr/local"
236
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270 zfs create -u -o canmount=off "${_ds_skel}/usr"
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271 #
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272 # XXX FIXME: What about usr/ports/distfiles
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273 # We typically want to use binary packages.
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274 # And if we use ports they are not in usr/ports typically.
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275 #
239
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276 #zfs create -u -o canmount=off "${_ds_skel}/usr/ports"
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277 #
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278 # XXX FIXME: What about home
237
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279 #
239
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280 for _child in etc home root tmp usr/local var ; do
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281 case "${_child}" in
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282 "tmp"|"var/tmp")
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283 _child_zfsopts="-o sync=disabled -o setuid=off"
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284 ;;
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285 "home")
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286 _child_zfsopts="-o setuid=off"
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287 ;;
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288 "usr/ports/distfiles")
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289 _child_zfsopts="-o exec=off -o setuid=off -o compression=off -o primarycache=metadata"
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290 ;;
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291 "var/mail")
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292 _child_zfsopts="-o atime=on -o exec=off -o setuid=off"
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293 ;;
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294 *)
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295 _child_zfsopts=""
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296 ;;
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297 esac
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298 zfs create -u -o canmount=noauto ${_child_zfsopts} "${_ds_skel}/${_child}"
236
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299 done
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300 }
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301
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302
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303 #
235
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304 # "datasets-tmpl" -- create the ZFS dataset tree
233
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305 #
234
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306 # PARENT-BASE PARENT-SKELETON NAME
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307 #
235
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308 command_datasets_tmpl() {
233
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309 # parent ZFS dataset -- child ZFS dataset name
234
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310 local _p_base _p_skel _name
253
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311 local _opt_symlink
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312
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313 local _ds_base _ds_skel _opt
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314
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315 _opt_symlink=""
234
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316
253
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317 while getopts "LP" _opt ; do
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318 case ${_opt} in
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319 L)
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320 _opt_symlink="-L"
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321 ;;
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322 P)
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323 _opt_symlink="-P"
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324 ;;
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325 \?)
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326 return 2;
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327 ;;
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328 esac
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329 done
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330 shift $((OPTIND-1))
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331 OPTIND=1
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diff changeset
332
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333 [ -z "${_opt_symlink}" ] && { echo "ERROR: -L or -P must be given" 1>&2; return 2; }
245
61861d36758c Ensure that no options are really given when no options are allowed
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diff changeset
334
236
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335 _p_base="${1-}"
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336 _p_skel="${2-}"
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337 _name="${3-}"
234
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338
236
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339 # Check preconditions
246
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340 command_datasets_tmpl_base -n "${_p_base}" "${_name}" || return
253
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341 command_datasets_tmpl_skel -n ${_opt_symlink} "${_p_skel}" "${_name}" || return
236
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342
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343 # Really do it
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344 command_datasets_tmpl_base "${_p_base}" "${_name}" || return
253
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345 command_datasets_tmpl_skel ${_opt_symlink} "${_p_skel}" "${_name}" || return
235
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diff changeset
346 return 0
233
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347 }
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348
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349
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350 #
242
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351 # "populate-tmpl" -- populate the datasets with content from a FreeBSD base.txz
233
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352 #
242
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353 # command_populate_tmpl mountpoint basetxz
233
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354 #
242
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diff changeset
355 command_populate_tmpl() {
233
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356 # MOUNTPOINT -- base.txz
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357 local _mp _basetxz
249
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358 local _opt_symlink
233
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359
249
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360 local _opt _dir
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361
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362 _opt_symlink=""
242
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diff changeset
363
249
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364 while getopts "LP" _opt ; do
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365 case ${_opt} in
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diff changeset
366 L)
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367 _opt_symlink="yes"
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368 ;;
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369 P)
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370 _opt_symlink="no"
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371 ;;
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372 \?)
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373 return 2;
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374 ;;
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375 esac
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376 done
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377 shift $((OPTIND-1))
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378 OPTIND=1
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diff changeset
379
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
380 [ -z "${_opt_symlink}" ] && { echo "ERROR: -L or -P must be given" 1>&2; return 2; }
245
61861d36758c Ensure that no options are really given when no options are allowed
Franz Glasner <fzglas.hg@dom66.de>
parents: 244
diff changeset
381
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
382 _mp="${1-}"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
383 _basetxz="${2-}"
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
384
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
385 if [ -z "${_mp}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
386 echo "ERROR: no mountpoint given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
387 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
388 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
389 if [ -z "${_basetxz}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
390 echo "ERROR: no base.txz given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
391 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
392 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
393 if [ ! -d "${_mp}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
394 echo "ERROR: mountpoint \`${_mp}' does not exist" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
395 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
396 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
397 if [ ! -r "${_basetxz}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
398 echo "ERROR: file \`${_basetxz}' is not readable" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
399 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
400 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
401
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
402 if [ "${_opt_symlink}" = "yes" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
403 echo "Extracting RO base ..."
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
404 tar -C "${_mp}" --exclude=./etc --exclude=./root --exclude=./tmp --exclude=./usr/local --exclude=./var --no-safe-writes -xJp -f "${_basetxz}" || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
405 # "home" is not part of base
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
406 for _dir in etc root tmp usr/local var ; do
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
407 echo "Extracting RW skeleton: ${_dir} ..."
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
408 tar -C "${_mp}/skeleton" --include="./${_dir}" --exclude=./root/.cshrc --exclude=./root/.profile -xJp -f "${_basetxz}" || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
409 done
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
410 # In the original archive they are archived as hardlinks: make proper symlinks here
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
411 (cd "${_mp}/skeleton/root" && ln -s ../../.profile .profile) || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
412 (cd "${_mp}/skeleton/root" && ln -s ../../.cshrc .cshrc) || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
413 else
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
414 echo "Extracting base ..."
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
415 tar -C "${_mp}" --exclude=./root/.cshrc --exclude=./root/.profile --no-safe-writes -xJp -f "${_basetxz}" || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
416 # In the original archive they are archived as hardlinks: make proper symlinks here
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
417 (cd "${_mp}/root" && ln -s ../.profile .profile) || return
251
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
418 (cd "${_mp}/root" && ln -s ../.cshrc .cshrc) || return
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
419 fi
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
420
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
421 find "${_mp}/boot" -type f -delete || true
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
422 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
423
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
424
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
425 #
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
426 # _do_mount dataset mountpoint dry-run mount-natural childs-only
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
427 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
428 _do_mount() {
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
429 local _dsname _mountpoint _dry_run _mount_natural _childs_only
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
430
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
431 local _name _mp _canmount _mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
432 local _rootds_mountpoint _relative_mp _real_mp
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
433
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
434 _dsname="${1}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
435 _mountpoint="${2}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
436 _dry_run="${3}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
437 _mount_natural="${4}"
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
438 _childs_only="${5}"
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
439
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
440 if [ -z "${_dsname}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
441 echo "ERROR: no dataset given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
442 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
443 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
444
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
445 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
446 { echo "ERROR: root dataset \`${_dsname}' does not exist" >&2; return 1; }
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
447
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
448 if [ -z "${_mountpoint}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
449 if [ "${_mount_natural}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
450 _mountpoint="${_rootds_mountpoint}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
451 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
452 echo "ERROR: no mountpoint given" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
453 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
454 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
455 else
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
456 if [ "${_mount_natural}" = "yes" ]; then
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
457 echo "ERROR: Cannot have a custom mountpoint when mount-natural is activated" >&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
458 return 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
459 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
460 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
461
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
462 # Eventually remove a trailing slash
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
463 _mountpoint="${_mountpoint%/}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
464 if [ -z "${_mountpoint}" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
465 echo "ERROR: would mount over the root filesystem" >&2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
466 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
467 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
468
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
469 zfs list -H -o name,mountpoint,canmount,mounted -s mountpoint -t filesystem -r "${_dsname}" \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
470 | {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
471 while IFS=$'\t' read -r _name _mp _canmount _mounted ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
472 # Skip filesystems that are already mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
473 [ "${_mounted}" = "yes" ] && continue
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
474 # Skip filesystems that must not be mounted
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
475 [ "${_canmount}" = "off" ] && continue
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
476 case "${_mp}" in
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
477 "none"|"legacy")
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
478 # Do nothing for filesystem with unset or legacy mountpoints
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
479 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
480 "${_rootds_mountpoint}"|"${_rootds_mountpoint}/"*)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
481 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
482 # Handle only mountpoints that have a mountpoint below
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
483 # the parent datasets mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
484 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
485
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
486 # Determine the mountpoint relative to the parent mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
487 _relative_mp="${_mp#${_rootds_mountpoint}}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
488 # Eventually remove a trailing slash
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
489 _relative_mp="${_relative_mp%/}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
490 # The real effective full mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
491 _real_mp="${_mountpoint}${_relative_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
492
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
493 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
494 # Consistency and sanity check: computed real mountpoint must
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
495 # be equal to the configured mountpoint when no custom mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
496 # is given.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
497 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
498 if [ "${_mount_natural}" = "yes" ]; then
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
499 if [ "${_real_mp}" != "${_mp}" ]; then
248
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 247
diff changeset
500 echo "ERROR: mountpoint mismatch" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
501 return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
502 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
503 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
504
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
505 if [ \( "${_childs_only}" = "yes" \) -a \( "${_name}" = "${_dsname}" \) ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
506 echo "Skipping ${_name} because mounting childs only" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
507 else
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
508 if [ "${_dry_run}" = "yes" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
509 echo "Would mount ${_name} on ${_real_mp}"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
510 else
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
511 mkdir -p "${_real_mp}" 1> /dev/null 2> /dev/null || \
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
512 { echo "ERROR: cannot create mountpoint ${_real_mp}" 1>&2; return 1; }
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
513 echo "Mounting ${_name} on ${_real_mp}"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
514 mount -t zfs "${_name}" "${_real_mp}" || return 1
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
515 fi
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
516 fi
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
517 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
518 *)
248
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
Franz Glasner <fzglas.hg@dom66.de>
parents: 247
diff changeset
519 echo "Skipping ${_name} because its configured ZFS mountpoint is not relative to given root dataset" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
520 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
521 esac
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
522 done
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
523
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
524 return 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
525 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
526 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
527
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
528
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
529 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
530 # "mount-tmpl" -- recursively mount a base and skeleton datasets including subordinate datasets
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
531 #
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
532 # command_mount_tmpl base-ro skeleton-rw mountpoint
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
533 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
534 command_mount_tmpl() {
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
535 local _ds_base _ds_skel _mountpoint
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
536 local _opt_dry_run _opt_symlink
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
537
246
bdee72ff7dbd Some subcommands now support options properly
Franz Glasner <fzglas.hg@dom66.de>
parents: 245
diff changeset
538 local _opt
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
539
244
6e632f459818 Rename "_dry_run" to the more proper "_opt_dry_run"
Franz Glasner <fzglas.hg@dom66.de>
parents: 243
diff changeset
540 _opt_dry_run=""
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
541 _opt_symlink=""
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
542
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
543 while getopts "LPnu" _opt ; do
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
544 case ${_opt} in
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
545 L)
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
546 _opt_symlink="yes"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
547 ;;
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
548 P)
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
549 _opt_symlink="no"
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
550 ;;
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
551 n|u)
244
6e632f459818 Rename "_dry_run" to the more proper "_opt_dry_run"
Franz Glasner <fzglas.hg@dom66.de>
parents: 243
diff changeset
552 _opt_dry_run="yes"
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
553 ;;
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
554 \?|:)
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
555 return 2;
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
556 ;;
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
557 esac
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
558 done
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
559 shift $((OPTIND-1))
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
560 OPTIND=1
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
561
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
562 [ -z "${_opt_symlink}" ] && { echo "ERROR: -L or -P must be given" 1>&2; return 2; }
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
563
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
564 _ds_base="${1-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
565 _ds_skel="${2-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
566 _mountpoint="${3-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
567
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
568 _do_mount "${_ds_base}" "${_mountpoint}" "${_opt_dry_run}" "" "" || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
569 if [ "${_opt_symlink}" = "yes" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
570 if [ "${_opt_dry_run}" != "yes" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
571 if [ ! -d "${_mountpoint}/skeleton" ]; then
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
572 mkdir "${_mountpoint}/skeleton" || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
573 fi
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
574 fi
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
575 _do_mount "${_ds_skel}" "${_mountpoint}/skeleton" "${_opt_dry_run}" "" "" || return
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
576 else
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
577 _do_mount "${_ds_skel}" "${_mountpoint}" "${_opt_dry_run}" "" "yes" || return
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
578 fi
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
579
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
580 return 0
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
581 }
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
582
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
583
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
584 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
585 # _do_umount dataset
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
586 #
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
587 _do_umount() {
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
588 local _dsname
249
a91e1c5173cc Also support direct mounting of the RW skeleton subdirs at a mountpoint
Franz Glasner <fzglas.hg@dom66.de>
parents: 248
diff changeset
589
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
590 local _name _mp _rest
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
591 local _rootds_mountpoint
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
592
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
593 _dsname="${1}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
594 [ -z "${_dsname}" ] && { echo "ERROR: no dataset given" >&2; return 2; }
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
595
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
596 # Just determine whether the given dataset name exists
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
597 _rootds_mountpoint="$(zfs list -H -o mountpoint -t filesystem "${_dsname}")" || \
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
598 { echo "ERROR: dataset not found" >&2; return 1; }
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
599
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
600 mount -t zfs -p \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
601 | grep -E "^${_dsname}(/|\s)" \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
602 | sort -n -r \
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
603 | {
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
604 while IFS=' '$'\t' read -r _name _mp _rest ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
605 echo "Umounting ${_name} on ${_mp}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
606 umount "${_mp}" || return 1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
607 done
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
608 return 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
609 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
610 }
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
611
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
612
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
613 #
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
614 # "umount-tmpl" -- umount skeleton and base datasets
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
615 #
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
616 # command_umount_tmpl ds-base ds-skeleton
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
617 #
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
618 command_umount_tmpl() {
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
619 local _ds_base _ds_skel
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
620
245
61861d36758c Ensure that no options are really given when no options are allowed
Franz Glasner <fzglas.hg@dom66.de>
parents: 244
diff changeset
621 _ensure_no_options "$@"
61861d36758c Ensure that no options are really given when no options are allowed
Franz Glasner <fzglas.hg@dom66.de>
parents: 244
diff changeset
622
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
623 _ds_base="${1-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
624 _ds_skel="${2-}"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
625
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
626 [ -z "${_ds_base}" ] && { echo "ERROR: no RO base dataset given" >&2; return 2; }
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
627 [ -z "${_ds_skel}" ] && { echo "ERROR: no RW skeleton dataset given" >&2; return 2; }
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
628
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
629 _do_umount "${_ds_skel}" || return
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
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630 _do_umount "${_ds_base}" || return
acf16a85900f Mount and unmount template datasets
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631
acf16a85900f Mount and unmount template datasets
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632 return 0
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633 }
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diff changeset
634
acf16a85900f Mount and unmount template datasets
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diff changeset
635
acf16a85900f Mount and unmount template datasets
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diff changeset
636 #
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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diff changeset
637 # "interlink-tmpl" -- create links from base to skeleton
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diff changeset
638 #
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diff changeset
639 # command_interlink_tmpl mountpint
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diff changeset
640 #
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diff changeset
641 command_interlink_tmpl() {
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diff changeset
642 local _mountpoint
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diff changeset
643
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diff changeset
644 local _dir _dirpart _basepart
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diff changeset
645
245
61861d36758c Ensure that no options are really given when no options are allowed
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diff changeset
646 _ensure_no_options "$@"
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diff changeset
647
242
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diff changeset
648 _mountpoint="${1-}"
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diff changeset
649
248
0b5dbf394aa2 FIX: echo 2>&1 is not intended: use 1>&2 instead
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diff changeset
650 [ -z "${_mountpoint}" ] && { echo "ERROR: no mountpoint given" 1>&2; return 2; }
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651 [ -d "${_mountpoint}" ] || { echo "ERROR: mountpoint \`${_mountpoint}' does not exist" 1>&2; return 1; }
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652 [ -d "${_mountpoint}/skeleton" ] || { echo "WARNING: skeleton is not mounted at \`${_mountpoint}/skeleton'" 1>&2; }
242
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diff changeset
653
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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diff changeset
654 for _dir in etc home root tmp usr/local var ; do
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diff changeset
655 case "${_dir}" in
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656 "usr/local")
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657 _dirpart="$(dirname "${_dir}")"
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658 _basepart="$(basename "${_dir}")"
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659 [ -d "${_mountpoint}/${_dirpart}" ] || mkdir "${_mountpoint}/${_dirpart}" || return
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660 ( cd "${_mountpoint}/${_dirpart}" && ln -s "../skeleton/${_dir}" "${_basepart}" ) || return
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diff changeset
661 ;;
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diff changeset
662 *)
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663 ( cd "${_mountpoint}" && ln -s "skeleton/${_dir}" "${_dir}" ) || return
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diff changeset
664 ;;
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diff changeset
665 esac
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666 done
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diff changeset
667 return 0
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diff changeset
668 }
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diff changeset
669
251
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670 #:
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diff changeset
671 #: Create a snapshot for a dataset and all of its children.
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diff changeset
672 #:
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diff changeset
673 #: Args:
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diff changeset
674 #: $1: the datasets
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diff changeset
675 #: $2: the name of the snapshot
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diff changeset
676 #:
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diff changeset
677 _do_snapshot() {
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diff changeset
678 local _ds _snap_name
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diff changeset
679
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diff changeset
680 _ds="${1}"
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diff changeset
681 _snap_name="${2}"
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diff changeset
682
254
39268cba8c46 FIX: Error handling
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diff changeset
683 [ -z "${_ds}" ] && { echo "ERROR: no dataset given" 1>&2; return 2; }
39268cba8c46 FIX: Error handling
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diff changeset
684 [ -z "${_snap_name}" ] && { echo "ERROR: no snapshot name given" 1>&2; return 2; }
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diff changeset
685
251
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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diff changeset
686 if ! zfs list -H -o name -t filesystem "${_ds}" 1> /dev/null 2> /dev/null ; then
254
39268cba8c46 FIX: Error handling
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diff changeset
687 echo "ERROR: parent dataset \`${_ds}' does not exist or is not available" 1>&2
251
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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diff changeset
688 return 1
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diff changeset
689 fi
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diff changeset
690
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
691 zfs snapshot -r "${_ds}@${_snap_name}" || return
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
692 }
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parents: 250
diff changeset
693
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Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
694
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
695 #:
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
696 #: Implement the "snapshot-tmpl" command
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Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
697 #:
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diff changeset
698 command_snapshot_tmpl() {
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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diff changeset
699 local _ds_base _ds_skel _snap_name
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
700
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
701 _ensure_no_options "$@"
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
702
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
703 _ds_base="${1-}"
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diff changeset
704 _ds_skel="${2-}"
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diff changeset
705 _snap_name="${3-}"
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parents: 250
diff changeset
706
254
39268cba8c46 FIX: Error handling
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diff changeset
707 # Here extra checks because of better error messages possible
39268cba8c46 FIX: Error handling
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diff changeset
708 [ -z "${_ds_base}" ] && { echo "ERROR: no RO base dataset name given" 1>&2; return 2; }
39268cba8c46 FIX: Error handling
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parents: 253
diff changeset
709 [ -z "${_ds_skel}" ] && { echo "ERROR: no RW skeleton dataset name given" 1>&2; return 2; }
251
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
710
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
711 _do_snapshot "${_ds_base}" "${_snap_name}" || return
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
712 _do_snapshot "${_ds_skel}" "${_snap_name}" || return
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
713 return 0
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
714 }
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
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parents: 250
diff changeset
715
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
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diff changeset
716
256
68f091c9524a Command "copy-skel" implemented
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parents: 254
diff changeset
717 #:
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diff changeset
718 #: Implementation of "copy-skel"
68f091c9524a Command "copy-skel" implemented
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diff changeset
719 #:
68f091c9524a Command "copy-skel" implemented
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diff changeset
720 command_copy_skel() {
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diff changeset
721 local _ds_source _snapshot_name _ds_target
270
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
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diff changeset
722 local _opt_symlink _opt_nomount _opt_canmount _opt_mountpoint
256
68f091c9524a Command "copy-skel" implemented
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diff changeset
723
270
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
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parents: 256
diff changeset
724 local _opt _name _relative_name _root_canmount
256
68f091c9524a Command "copy-skel" implemented
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diff changeset
725
68f091c9524a Command "copy-skel" implemented
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diff changeset
726 _opt_symlink=""
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diff changeset
727 _opt_nomount=""
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diff changeset
728 _opt_canmount="-o canmount=on"
270
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
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diff changeset
729 _opt_mountpoint=""
256
68f091c9524a Command "copy-skel" implemented
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parents: 254
diff changeset
730
270
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
Franz Glasner <fzglas.hg@dom66.de>
parents: 256
diff changeset
731 while getopts "ALM:Pu" _opt ; do
256
68f091c9524a Command "copy-skel" implemented
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diff changeset
732 case ${_opt} in
68f091c9524a Command "copy-skel" implemented
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diff changeset
733 A)
68f091c9524a Command "copy-skel" implemented
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diff changeset
734 _opt_canmount="-o canmount=noauto"
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diff changeset
735 ;;
68f091c9524a Command "copy-skel" implemented
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diff changeset
736 L)
68f091c9524a Command "copy-skel" implemented
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diff changeset
737 _opt_symlink="yes"
68f091c9524a Command "copy-skel" implemented
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diff changeset
738 ;;
270
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
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parents: 256
diff changeset
739 M)
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
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parents: 256
diff changeset
740 _opt_mountpoint="${OPTARG}"
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parents: 256
diff changeset
741 ;;
256
68f091c9524a Command "copy-skel" implemented
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parents: 254
diff changeset
742 P)
68f091c9524a Command "copy-skel" implemented
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diff changeset
743 _opt_symlink="no"
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parents: 254
diff changeset
744 ;;
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
745 u)
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
746 _opt_nomount="-u"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
747 ;;
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
748 \?)
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
749 return 2;
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
750 ;;
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
751 esac
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
752 done
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
753 shift $((OPTIND-1))
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
754 OPTIND=1
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
755
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
756 [ -z "${_opt_symlink}" ] && { echo "ERROR: -L or -P must be given" 1>&2; return 2; }
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
757
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
758 _ds_source="${1-}"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
759 _snapshot_name="${2-}"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
760 _ds_target="${3-}"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
761
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
762 [ -z "${_ds_source}" ] && { echo "ERROR: no source given" 1>&2; return 2; }
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
763 [ -z "${_snapshot_name}" ] && { echo "ERROR: no snapshot name given" 1>&2; return 2; }
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
764 [ -z "${_ds_target}" ] && { echo "ERROR: no target given" 1>&2; return 2; }
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
765
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
766 zfs list -r -t all -o name "${_ds_source}" \
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
767 | {
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
768 while IFS=$'\t' read -r _name ; do
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
769 if [ "${_name}" = "${_name%@*}@${_snapshot_name}" ]; then
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
770 echo "FOUND: $_name"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
771 # Determine the relative name of the dataset
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
772 _relative_name="${_name#${_ds_source}}"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
773 _relative_name="${_relative_name%@*}"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
774 echo " -> $_relative_name"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
775 if [ -z "${_relative_name}" ]; then
292
d40e6e40c315 Comments
Franz Glasner <fzglas.hg@dom66.de>
parents: 278
diff changeset
776 #
d40e6e40c315 Comments
Franz Glasner <fzglas.hg@dom66.de>
parents: 278
diff changeset
777 # Root
d40e6e40c315 Comments
Franz Glasner <fzglas.hg@dom66.de>
parents: 278
diff changeset
778 #
256
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
779 if [ "${_opt_symlink}" = "yes" ]; then
270
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
Franz Glasner <fzglas.hg@dom66.de>
parents: 256
diff changeset
780 _root_canmount="${_opt_canmount}"
256
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
781 else
270
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
Franz Glasner <fzglas.hg@dom66.de>
parents: 256
diff changeset
782 _root_canmount="-o canmount=off"
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
Franz Glasner <fzglas.hg@dom66.de>
parents: 256
diff changeset
783 fi
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
Franz Glasner <fzglas.hg@dom66.de>
parents: 256
diff changeset
784 if [ -n "${_opt_mountpoint}" ]; then
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
Franz Glasner <fzglas.hg@dom66.de>
parents: 256
diff changeset
785 zfs send -Lec -p -v "${_name}" | zfs receive ${_opt_nomount} -v ${_root_canmount} -o "mountpoint=${_opt_mountpoint}" "${_ds_target}${_relative_name}"
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
Franz Glasner <fzglas.hg@dom66.de>
parents: 256
diff changeset
786 else
dde5967d1e43 Implement the "-M" (custom mountpoint) option for "copy-skel"
Franz Glasner <fzglas.hg@dom66.de>
parents: 256
diff changeset
787 zfs send -Lec -p -v "${_name}" | zfs receive ${_opt_nomount} -v ${_root_canmount} -x mountpoint "${_ds_target}${_relative_name}"
256
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
788 fi
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
789 else
292
d40e6e40c315 Comments
Franz Glasner <fzglas.hg@dom66.de>
parents: 278
diff changeset
790 #
d40e6e40c315 Comments
Franz Glasner <fzglas.hg@dom66.de>
parents: 278
diff changeset
791 # Children
d40e6e40c315 Comments
Franz Glasner <fzglas.hg@dom66.de>
parents: 278
diff changeset
792 #
256
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
793 if [ "${_relative_name}" = "/usr" ]; then
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
794 zfs send -Lec -p -v "${_name}" | zfs receive ${_opt_nomount} -v -o canmount=off -x mountpoint "${_ds_target}${_relative_name}"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
795 else
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
796 zfs send -Lec -p -v "${_name}" | zfs receive ${_opt_nomount} -v ${_opt_canmount} -x mountpoint "${_ds_target}${_relative_name}"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
797 fi
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
798 fi
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
799 fi
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
800 done
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
801 }
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
802 # Need only the filesystem data (no associated snapshots)
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
803 echo "Destroying unneeded snapshots ..."
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
804 zfs destroy -rv "${_ds_target}@${_snapshot_name}"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
805 }
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
806
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
807
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
808 #
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
809 # Global option handling
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
810 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
811 while getopts "Vh" _opt ; do
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
812 case ${_opt} in
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
813 V)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
814 printf 'ftjail v%s (rv:%s)\n' "${VERSION}" '@@HGREVISION@@'
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
815 exit 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
816 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
817 h)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
818 echo "${USAGE}"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
819 exit 0
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
820 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
821 \?)
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
822 exit 2;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
823 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
824 *)
250
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
825 echo "ERROR: option handling failed" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
826 exit 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
827 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
828 esac
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
829 done
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
830
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
831 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
832 # Reset the Shell's option handling system to prepare for handling
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
833 # command-local options.
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
834 #
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
835 shift $((OPTIND-1))
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
836 OPTIND=1
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
837
250
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
838 test $# -gt 0 || { echo "ERROR: no command given" 1>&2; exit 2; }
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
839
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
840 command="$1"
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
841 shift
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
842
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
843 case "${command}" in
235
85aea8ca1ab8 Some work on datasets-tmpl
Franz Glasner <fzglas.hg@dom66.de>
parents: 234
diff changeset
844 datasets-tmpl)
85aea8ca1ab8 Some work on datasets-tmpl
Franz Glasner <fzglas.hg@dom66.de>
parents: 234
diff changeset
845 command_datasets_tmpl "$@"
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
846 ;;
241
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
847 mount-tmpl)
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
848 command_mount_tmpl "$@"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
849 ;;
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
850 umount-tmpl|unmount-tmpl)
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
851 command_umount_tmpl "$@"
acf16a85900f Mount and unmount template datasets
Franz Glasner <fzglas.hg@dom66.de>
parents: 240
diff changeset
852 ;;
242
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
853 interlink-tmpl)
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
854 command_interlink_tmpl "$@"
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
855 ;;
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
856 populate-tmpl)
59e933b81dcf First attemt to populate base and skeleton using the "skeleton" subdir and symliks from base to RW skeleton subdirs
Franz Glasner <fzglas.hg@dom66.de>
parents: 241
diff changeset
857 command_populate_tmpl "$@"
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
858 ;;
251
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
859 snapshot-tmpl)
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
860 command_snapshot_tmpl "$@"
7a6c03445ba1 Implement a "snapshot-tmpl" command: create ZFS snapshots for the RO base and the RW skeleton
Franz Glasner <fzglas.hg@dom66.de>
parents: 250
diff changeset
861 ;;
256
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
862 copy-skel)
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
863 command_copy_skel "$@"
68f091c9524a Command "copy-skel" implemented
Franz Glasner <fzglas.hg@dom66.de>
parents: 254
diff changeset
864 ;;
250
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
865 configure)
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
866 echo "ERROR: use \`fjail configure' instead" 1>&2;
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
867 exit 2
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
868 ;;
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
869 *)
250
c4d835ccb4ae Implement configure for symlinked skeletons.
Franz Glasner <fzglas.hg@dom66.de>
parents: 249
diff changeset
870 echo "ERROR: unknown command \`${command}'" 1>&2
233
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
871 exit 2
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
872 ;;
f745d3a216a6 Erste Basis für "ftjail": Management von Thin Jails
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
873 esac